Article ID: 945926 - Last Review: December 20, 2007 - Revision: 1.0

Event ID 12 is written to the System log when you log off an iSCSI target on a Windows Vista-based computer

View products that this article applies to.
System TipThis article applies to a different operating system than the one you are using. Article content that may not be relevant to you is disabled.
Expand all | Collapse all

SYMPTOMS

Consider the following scenario. On a Windows Vista-based computer, you start the Microsoft iSCSI Initiator service. Then, you log off an iSCSI target. In this scenario, the following event is written to the System log:

Log Name: System
Source: PlugPlayManager
Event ID: 12
Task Category: None
Level: Error
Keywords: Classic
Description: The device Device_Name (SCSI\Disk&Ven_EQLOGIC&Prod_100E-00\1&1c121344&0&000000) disappeared from the system without first being prepared for removal.

Note This event occurs only if the target is an unformatted (RAW) volume.
Back to the top

WORKAROUND

You can safely ignore this event.
Back to the top

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Back to the top

MORE INFORMATION

In earlier versions of Windows, such as in Windows XP and in Windows Server 2003, you do not receive this error message.

This error message is incorrect in Windows Vista. To gracefully disconnect an iSCSI volume, log off the iSCSI target.
Back to the top
APPLIES TO
  • Windows Vista Enterprise 64-bit Edition
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Business
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
Back to the top
Keywords: 
kberrmsg kbtshoot kbprb KB945926
Back to the top